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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * @(#)TimeSlider.java   2009.02.24 at 09:44:54 PST</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * Copyright 2007 MBARI</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> *</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 2.1</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at</em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * <a href="http://www.gnu.org/copyleft/lesser.html" target="alexandria_uri">http://www.gnu.org/copyleft/lesser.html</a></em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> *</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a name="16" href="#16">16</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a name="17" href="#17">17</a>  <em class="jxr_comment"> */</em>
<a name="18" href="#18">18</a>  
<a name="19" href="#19">19</a>  
<a name="20" href="#20">20</a>  
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">package</strong> org.mbari.vcr.ui;
<a name="22" href="#22">22</a>  
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.awt.Color;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> java.awt.Dimension;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> java.awt.event.ActionEvent;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.awt.event.FocusEvent;
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.awt.event.FocusListener;
<a name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.awt.event.KeyAdapter;
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.awt.event.KeyEvent;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> javax.swing.JPanel;
<a name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> javax.swing.JSlider;
<a name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> javax.swing.JTextField;
<a name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> javax.swing.SwingConstants;
<a name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> javax.swing.event.ChangeEvent;
<a name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> javax.swing.event.ChangeListener;
<a name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.mbari.awt.layout.VerticalFlowLayout;
<a name="37" href="#37">37</a>  
<a name="38" href="#38">38</a>  <em class="jxr_javadoccomment">/**</em>
<a name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * This class is used for sliders in the TimeSelectPanel. It provides a vertical</em>
<a name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * slider with an editable text field. Changes in the slider or the textfield</em>
<a name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * will be reflected by the other component.</em>
<a name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * &lt;/p&gt;</em>
<a name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> *</em>
<a name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * @author : $Author: hohonuuli $</em>
<a name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * @version : $Revision: 332 $</em>
<a name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> */</em>
<a name="48" href="#48">48</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/mbari/vcr/ui/TimeSlider.html">TimeSlider</a> <strong class="jxr_keyword">extends</strong> JPanel {
<a name="49" href="#49">49</a>  
<a name="50" href="#50">50</a>      <em class="jxr_javadoccomment">/**</em>
<a name="51" href="#51">51</a>  <em class="jxr_javadoccomment">     *</em>
<a name="52" href="#52">52</a>  <em class="jxr_javadoccomment">     */</em>
<a name="53" href="#53">53</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = 5054214597783715431L;
<a name="54" href="#54">54</a>  
<a name="55" href="#55">55</a>      <em class="jxr_javadoccomment">/**</em>
<a name="56" href="#56">56</a>  <em class="jxr_javadoccomment">         * @uml.property  name="layout"</em>
<a name="57" href="#57">57</a>  <em class="jxr_javadoccomment">         * @uml.associationEnd  multiplicity="(1 1)"</em>
<a name="58" href="#58">58</a>  <em class="jxr_javadoccomment">         */</em>
<a name="59" href="#59">59</a>      <strong class="jxr_keyword">final</strong> VerticalFlowLayout layout = <strong class="jxr_keyword">new</strong> VerticalFlowLayout();
<a name="60" href="#60">60</a>  
<a name="61" href="#61">61</a>      <em class="jxr_javadoccomment">/**</em>
<a name="62" href="#62">62</a>  <em class="jxr_javadoccomment">         * @uml.property  name="maxValue"</em>
<a name="63" href="#63">63</a>  <em class="jxr_javadoccomment">         */</em>
<a name="64" href="#64">64</a>      <strong class="jxr_keyword">int</strong> maxValue;
<a name="65" href="#65">65</a>  
<a name="66" href="#66">66</a>      <em class="jxr_javadoccomment">/**</em>
<a name="67" href="#67">67</a>  <em class="jxr_javadoccomment">         * @uml.property  name="slider"</em>
<a name="68" href="#68">68</a>  <em class="jxr_javadoccomment">         * @uml.associationEnd</em>
<a name="69" href="#69">69</a>  <em class="jxr_javadoccomment">         */</em>
<a name="70" href="#70">70</a>      JSlider slider;
<a name="71" href="#71">71</a>  
<a name="72" href="#72">72</a>      <em class="jxr_javadoccomment">/**</em>
<a name="73" href="#73">73</a>  <em class="jxr_javadoccomment">         * @uml.property  name="textField"</em>
<a name="74" href="#74">74</a>  <em class="jxr_javadoccomment">         * @uml.associationEnd</em>
<a name="75" href="#75">75</a>  <em class="jxr_javadoccomment">         */</em>
<a name="76" href="#76">76</a>      JTextField textField;
<a name="77" href="#77">77</a>  
<a name="78" href="#78">78</a>      <em class="jxr_javadoccomment">/**</em>
<a name="79" href="#79">79</a>  <em class="jxr_javadoccomment">     * Constructs ...</em>
<a name="80" href="#80">80</a>  <em class="jxr_javadoccomment">     *</em>
<a name="81" href="#81">81</a>  <em class="jxr_javadoccomment">     *</em>
<a name="82" href="#82">82</a>  <em class="jxr_javadoccomment">     * @param maxValue</em>
<a name="83" href="#83">83</a>  <em class="jxr_javadoccomment">     */</em>
<a name="84" href="#84">84</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/mbari/vcr/ui/TimeSlider.html">TimeSlider</a>(<strong class="jxr_keyword">int</strong> maxValue) {
<a name="85" href="#85">85</a>          <strong class="jxr_keyword">this</strong>.maxValue = maxValue;
<a name="86" href="#86">86</a>          initialize();
<a name="87" href="#87">87</a>      }
<a name="88" href="#88">88</a>  
<a name="89" href="#89">89</a>      <em class="jxr_javadoccomment">/**</em>
<a name="90" href="#90">90</a>  <em class="jxr_javadoccomment">         * &lt;p&gt;&lt;!-- Method description --&gt;&lt;/p&gt;</em>
<a name="91" href="#91">91</a>  <em class="jxr_javadoccomment">         * @return</em>
<a name="92" href="#92">92</a>  <em class="jxr_javadoccomment">         * @uml.property  name="slider"</em>
<a name="93" href="#93">93</a>  <em class="jxr_javadoccomment">         */</em>
<a name="94" href="#94">94</a>      <strong class="jxr_keyword">public</strong> JSlider getSlider() {
<a name="95" href="#95">95</a>          <strong class="jxr_keyword">if</strong> (slider == <strong class="jxr_keyword">null</strong>) {
<a name="96" href="#96">96</a>              slider = <strong class="jxr_keyword">new</strong> JSlider();
<a name="97" href="#97">97</a>              slider.setOrientation(JSlider.VERTICAL);
<a name="98" href="#98">98</a>              slider.setInverted(<strong class="jxr_keyword">true</strong>);
<a name="99" href="#99">99</a>              slider.setMajorTickSpacing(10);
<a name="100" href="#100">100</a>             slider.setMaximum(maxValue);
<a name="101" href="#101">101</a>             slider.setMinorTickSpacing(1);
<a name="102" href="#102">102</a>             slider.setPaintTicks(<strong class="jxr_keyword">true</strong>);
<a name="103" href="#103">103</a>             slider.setPreferredSize(<strong class="jxr_keyword">new</strong> Dimension(43, 230));
<a name="104" href="#104">104</a> 
<a name="105" href="#105">105</a>             <em class="jxr_comment">/*</em>
<a name="106" href="#106">106</a> <em class="jxr_comment">             * Adjustments to the slider should be reflected in the textField.</em>
<a name="107" href="#107">107</a> <em class="jxr_comment">             */</em>
<a name="108" href="#108">108</a>             slider.addChangeListener(<strong class="jxr_keyword">new</strong> ChangeListener() {
<a name="109" href="#109">109</a> 
<a name="110" href="#110">110</a>                 <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stateChanged(ChangeEvent e) {
<a name="111" href="#111">111</a>                     String v = slider.getValue() + <span class="jxr_string">""</span>;
<a name="112" href="#112">112</a>                     String text = getTextField().getText();
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a>                     <strong class="jxr_keyword">if</strong> (!v.equals(text)) {
<a name="115" href="#115">115</a>                         getTextField().setText(slider.getValue() + <span class="jxr_string">""</span>);
<a name="116" href="#116">116</a>                         getTextField().requestFocus();
<a name="117" href="#117">117</a>                     }
<a name="118" href="#118">118</a>                 }
<a name="119" href="#119">119</a> 
<a name="120" href="#120">120</a>             });
<a name="121" href="#121">121</a>             slider.setValue(0);
<a name="122" href="#122">122</a>             slider.setPreferredSize(<strong class="jxr_keyword">new</strong> Dimension(38, maxValue * 3));
<a name="123" href="#123">123</a>             slider.setRequestFocusEnabled(false);
<a name="124" href="#124">124</a>             slider.setFocusable(false);
<a name="125" href="#125">125</a>         }
<a name="126" href="#126">126</a> 
<a name="127" href="#127">127</a>         <strong class="jxr_keyword">return</strong> slider;
<a name="128" href="#128">128</a>     }
<a name="129" href="#129">129</a> 
<a name="130" href="#130">130</a>     <em class="jxr_javadoccomment">/**</em>
<a name="131" href="#131">131</a> <em class="jxr_javadoccomment">         * &lt;p&gt;&lt;!-- Method description --&gt;&lt;/p&gt;</em>
<a name="132" href="#132">132</a> <em class="jxr_javadoccomment">         * @return</em>
<a name="133" href="#133">133</a> <em class="jxr_javadoccomment">         * @uml.property  name="textField"</em>
<a name="134" href="#134">134</a> <em class="jxr_javadoccomment">         */</em>
<a name="135" href="#135">135</a>     <strong class="jxr_keyword">public</strong> JTextField getTextField() {
<a name="136" href="#136">136</a>         <strong class="jxr_keyword">if</strong> (textField == <strong class="jxr_keyword">null</strong>) {
<a name="137" href="#137">137</a>             textField = <strong class="jxr_keyword">new</strong> JTextField();
<a name="138" href="#138">138</a>             textField.setBackground(Color.black);
<a name="139" href="#139">139</a>             textField.setFont(<strong class="jxr_keyword">new</strong> java.awt.Font(<span class="jxr_string">"Dialog"</span>, 1, 16));
<a name="140" href="#140">140</a>             textField.setForeground(Color.red);
<a name="141" href="#141">141</a>             textField.setPreferredSize(<strong class="jxr_keyword">new</strong> Dimension(38, 25));
<a name="142" href="#142">142</a>             textField.setSelectedTextColor(Color.red);
<a name="143" href="#143">143</a>             textField.setText(<span class="jxr_string">""</span>);
<a name="144" href="#144">144</a>             textField.setHorizontalAlignment(SwingConstants.RIGHT);
<a name="145" href="#145">145</a>             textField.addActionListener(<strong class="jxr_keyword">new</strong> java.awt.event.ActionListener() {
<a name="146" href="#146">146</a> 
<a name="147" href="#147">147</a>                 <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> actionPerformed(ActionEvent e) {
<a name="148" href="#148">148</a>                     slider.setValue(Integer.parseInt(textField.getText()));
<a name="149" href="#149">149</a>                 }
<a name="150" href="#150">150</a>             });
<a name="151" href="#151">151</a> 
<a name="152" href="#152">152</a>             <em class="jxr_comment">/*</em>
<a name="153" href="#153">153</a> <em class="jxr_comment">             * We need to consume non-digit values.</em>
<a name="154" href="#154">154</a> <em class="jxr_comment">             */</em>
<a name="155" href="#155">155</a>             textField.addKeyListener(<strong class="jxr_keyword">new</strong> KeyAdapter() {
<a name="156" href="#156">156</a> 
<a name="157" href="#157">157</a>                 <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> keyTyped(KeyEvent e) {
<a name="158" href="#158">158</a>                     <strong class="jxr_keyword">char</strong> c = e.getKeyChar();
<a name="159" href="#159">159</a> 
<a name="160" href="#160">160</a>                     <strong class="jxr_keyword">if</strong> (c == KeyEvent.VK_ENTER) {
<a name="161" href="#161">161</a> 
<a name="162" href="#162">162</a>                         <em class="jxr_comment">// do nothing. Enter is handled by the action Listener</em>
<a name="163" href="#163">163</a>                     }
<a name="164" href="#164">164</a>                     <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (!((Character.isDigit(c)) || (c == KeyEvent.VK_BACK_SPACE) || (c == KeyEvent.VK_DELETE))) {
<a name="165" href="#165">165</a>                         getToolkit().beep();
<a name="166" href="#166">166</a>                         e.consume();
<a name="167" href="#167">167</a>                     }
<a name="168" href="#168">168</a>                 }
<a name="169" href="#169">169</a> 
<a name="170" href="#170">170</a>             });
<a name="171" href="#171">171</a> 
<a name="172" href="#172">172</a>             <em class="jxr_comment">/*</em>
<a name="173" href="#173">173</a> <em class="jxr_comment">             * When focus is gainged in a textfield, highlight all characters so</em>
<a name="174" href="#174">174</a> <em class="jxr_comment">             * that typing overwrites the existing values</em>
<a name="175" href="#175">175</a> <em class="jxr_comment">             *</em>
<a name="176" href="#176">176</a> <em class="jxr_comment">             * When focus is lost the slider should be updated with the value</em>
<a name="177" href="#177">177</a> <em class="jxr_comment">             * from the textField.</em>
<a name="178" href="#178">178</a> <em class="jxr_comment">             */</em>
<a name="179" href="#179">179</a>             textField.addFocusListener(<strong class="jxr_keyword">new</strong> FocusListener() {
<a name="180" href="#180">180</a> 
<a name="181" href="#181">181</a>                 <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> focusGained(FocusEvent e) {
<a name="182" href="#182">182</a>                     textField.setSelectionStart(0);
<a name="183" href="#183">183</a>                     textField.setSelectionEnd(textField.getText().length());
<a name="184" href="#184">184</a>                 }
<a name="185" href="#185">185</a>                 <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> focusLost(FocusEvent e) {
<a name="186" href="#186">186</a>                     <strong class="jxr_keyword">int</strong> value = 0;
<a name="187" href="#187">187</a> 
<a name="188" href="#188">188</a>                     <strong class="jxr_keyword">try</strong> {
<a name="189" href="#189">189</a>                         value = Integer.parseInt(textField.getText());
<a name="190" href="#190">190</a>                     }
<a name="191" href="#191">191</a>                     <strong class="jxr_keyword">catch</strong> (NumberFormatException ex) {
<a name="192" href="#192">192</a> 
<a name="193" href="#193">193</a>                         <em class="jxr_comment">/*</em>
<a name="194" href="#194">194</a> <em class="jxr_comment">                         * Ignore. This is for "". Values are set to minimum</em>
<a name="195" href="#195">195</a> <em class="jxr_comment">                         * allowed value</em>
<a name="196" href="#196">196</a> <em class="jxr_comment">                         */</em>
<a name="197" href="#197">197</a>                     }
<a name="198" href="#198">198</a> 
<a name="199" href="#199">199</a>                     setTime(value);
<a name="200" href="#200">200</a>                 }
<a name="201" href="#201">201</a> 
<a name="202" href="#202">202</a>             });
<a name="203" href="#203">203</a>         }
<a name="204" href="#204">204</a> 
<a name="205" href="#205">205</a>         <strong class="jxr_keyword">return</strong> textField;
<a name="206" href="#206">206</a>     }
<a name="207" href="#207">207</a> 
<a name="208" href="#208">208</a>     <em class="jxr_javadoccomment">/**</em>
<a name="209" href="#209">209</a> <em class="jxr_javadoccomment">     * Returns the value that this component is set to.</em>
<a name="210" href="#210">210</a> <em class="jxr_javadoccomment">     *</em>
<a name="211" href="#211">211</a> <em class="jxr_javadoccomment">     * @return A number that the slider is set to.</em>
<a name="212" href="#212">212</a> <em class="jxr_javadoccomment">     */</em>
<a name="213" href="#213">213</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> getTime() {
<a name="214" href="#214">214</a>         <strong class="jxr_keyword">return</strong> slider.getValue();
<a name="215" href="#215">215</a>     }
<a name="216" href="#216">216</a> 
<a name="217" href="#217">217</a>     <em class="jxr_javadoccomment">/**</em>
<a name="218" href="#218">218</a> <em class="jxr_javadoccomment">     * &lt;p&gt;&lt;!-- Method description --&gt;&lt;/p&gt;</em>
<a name="219" href="#219">219</a> <em class="jxr_javadoccomment">     *</em>
<a name="220" href="#220">220</a> <em class="jxr_javadoccomment">     */</em>
<a name="221" href="#221">221</a>     <strong class="jxr_keyword">void</strong> initialize() {
<a name="222" href="#222">222</a>         <strong class="jxr_keyword">this</strong>.setLayout(layout);
<a name="223" href="#223">223</a>         <strong class="jxr_keyword">this</strong>.setPreferredSize(<strong class="jxr_keyword">new</strong> Dimension(45, 230));
<a name="224" href="#224">224</a>         <strong class="jxr_keyword">this</strong>.add(getTextField(), <strong class="jxr_keyword">null</strong>);
<a name="225" href="#225">225</a>         <strong class="jxr_keyword">this</strong>.add(getSlider(), <strong class="jxr_keyword">null</strong>);
<a name="226" href="#226">226</a>     }
<a name="227" href="#227">227</a> 
<a name="228" href="#228">228</a>     <em class="jxr_javadoccomment">/**</em>
<a name="229" href="#229">229</a> <em class="jxr_javadoccomment">     * &lt;p&gt;&lt;!-- Method description --&gt;&lt;/p&gt;</em>
<a name="230" href="#230">230</a> <em class="jxr_javadoccomment">     *</em>
<a name="231" href="#231">231</a> <em class="jxr_javadoccomment">     *</em>
<a name="232" href="#232">232</a> <em class="jxr_javadoccomment">     * @param value</em>
<a name="233" href="#233">233</a> <em class="jxr_javadoccomment">     */</em>
<a name="234" href="#234">234</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setTime(<strong class="jxr_keyword">int</strong> value) {
<a name="235" href="#235">235</a>         <strong class="jxr_keyword">final</strong> JSlider s = getSlider();
<a name="236" href="#236">236</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> min = s.getMinimum();
<a name="237" href="#237">237</a>         <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> max = s.getMaximum();
<a name="238" href="#238">238</a> 
<a name="239" href="#239">239</a>         <strong class="jxr_keyword">if</strong> (value &gt; max) {
<a name="240" href="#240">240</a>             value = max;
<a name="241" href="#241">241</a>         }
<a name="242" href="#242">242</a>         <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (value &lt; min) {
<a name="243" href="#243">243</a>             value = min;
<a name="244" href="#244">244</a>         }
<a name="245" href="#245">245</a> 
<a name="246" href="#246">246</a>         <strong class="jxr_keyword">if</strong> (s.getValue() != value) {
<a name="247" href="#247">247</a>             s.setValue(value);
<a name="248" href="#248">248</a>         }
<a name="249" href="#249">249</a>     }
<a name="250" href="#250">250</a> }
</pre>
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